AI Biotechnology LLC — SEC Form 4 filings
SEC reporting owner CIK 1942670. 2 Form 4 filings on record with FilingPulse; latest filed 2026-03-02.
Transaction summary — filings shown
Covers all 2 filings on record, filed 2024-10-17 to 2026-03-02. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): 2 legs across 2 filings — 3,175,000 shares, $32,475,000 total (shares × price as filed).
- Open-market sales (code S, non-derivative): none reported.
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 4.
- Largest priced transaction: purchase of 1,175,000 shares @ $17.00 ($19,975,000) in Upstream Bio, Inc., filed 2024-10-17.
By issuer — same filings
Open-market purchase/sale legs on non-derivative securities, grouped by issuer. Role is as filed on the newest filing for that issuer. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.
| Issuer | Role (as filed) | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|---|
| Upstream Bio, Inc. (UPB) | 10% owner | 1 | 1 leg · 1,175,000 sh · $19,975,000 | — | 4 |
| Zura Bio Ltd (ZURA) | 10% owner | 1 | 1 leg · 2,000,000 sh · $12,500,000 | — | — |
Form 4 filings — AI Biotechnology LLC
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-03-02 | 4 | Zura Bio Ltd (ZURA) jointly with Access Industries Holdings LLC, ACCESS INDUSTRIES MANAGEMENT, LLC, Blavatnik Len | Purchase (P): 2,000,000 @ $6.25 | EDGAR |
| 2024-10-17 | 4 | Upstream Bio, Inc. (UPB) jointly with AI Upstream LLC, Access Industries Holdings LLC, ACCESS INDUSTRIES MANAGEMENT, LLC, Blavatnik Len | Purchase (P): 1,175,000 @ $17 · Conversion (C): 3,147,000 · Conversion (C): 1,172,410 · Conversion (C): 3,147,000 (derivative) · Conversion (C): 1,172,410 (derivative) | EDGAR |
FilingPulse's Form 4 archive currently extends back to 2024-01-11 and is expanding backward through EDGAR history — earlier filings by this insider may not be indexed yet. Names and roles are shown as filed.
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